Fracture resistance, failure mode and stress concentration in a modified endocrown design

References

• Howe CA, McKendry DJ. Effect of endodontic access preparation on resistance to crown-root fracture. J Am Dent Assoc. 1990;121(6):712–715.
   Google Scholar
• Faria AC, Rodrigues RC, de Almeida Antunes RP, et al. Endodontically treated teeth: characteristics and considerations to restore them. J Prosthodont Res. 2011;55(2):69–74.
   Google Scholar
• Tang W, Wu Y, Smales RJ. Identifying and reducing risks for potential fractures in endodontically treated teeth. J Endod. 2010;36(4):609–617.
   Google Scholar
• Zhu Z, Dong XY, He S, et al. Effect of post placement on the restoration of endodontically treated teeth: a systematic review. Int J Prosthodont. 2015;28(5):475–483.
   Google Scholar
• Soares CJ, Valdivia AD, da Silva GR, et al. Longitudinal clinical evaluation of post systems: a literature review. Braz Dent J. 2012;23(2):135–740.
   Google Scholar
• Sarkis-Onofre R, Jacinto RC, Boscato N, et al. Cast metal vs. glass fibre posts: a randomized controlled trial with up to 3 years of follow up. J Dent. 2014;42(5):582–587.
   Google Scholar
• Tezvergil A, Lassila LV, Vallittu PK. Strength of adhesive-bonded fiber-reinforced composites to enamel and dentin substrates. J Adhes Dent. 2003;5(4):301–311.
   Google Scholar
• Hasanzade M, Sahebi M, Zarrati S, et al. Comparative evaluation of the internal and marginal adaptations of CAD/CAM endocrowns and crowns fabricated from three different materials. Int J Prosthodont. 2020, ahead of print.
   Google Scholar
• Dartora NR, Mauricio Moris IC, Poole SF, et al. Mechanical behavior of endocrowns fabricated with different CAD-CAM ceramic systems. J Prosthet Dent. 2020. Feb 10.
   Google Scholar
• El Ghoul W, Ozcan M, Silwadi M, et al. Fracture resistance and failure modes of endocrowns manufactured with different CAD/CAM materials under axial and lateral loading. J Esthet Restor Dent. 2019;31(4):378–387.
   Google Scholar
• Dental S, Arcuri L, Lorenzi C, et al. Fit evaluation of cad/cam fabricated all-ceramic restorations based on direct and indirect digitalization in vivo: a systematic review. J Biol Regul Homeost Agents. 2019;33(3 Suppl. 1):103–111.
   Google Scholar
• Davidovich E, Shay B, Nuni E, et al. An Innovative Treatment Approach Using Digital Workflow and CAD-CAM Part 1: The Restoration of Endodontically Treated Molars in Children. Int J Environ Res Public Health. 2020;17(5):1499..
   Google Scholar
• Kassem IA, Farrag IE, Zidan SM, et al. Marginal gap and fracture resistance of CAD/CAM ceramill COMP and cerasmart endocrowns for restoring endodontically treated molars bonded with two adhesive protocols: an in vitro study. Biomater Investig Dent. 2020;7(1):50–60.
   Google Scholar
• Ghajghouj O, Taşar-Faruk S. Evaluation of fracture resistance and microleakage of endocrowns with different intracoronal depths and restorative materials luted with various resin cements. Materials (Basel). 2019;12(16):2528.
   Google Scholar
• Bindl A, Mormann WH. Clinical evaluation of adhesively placed Cerec endo-crowns after 2 years – preliminary results. J Adhes Dent. 1999;1(3):255–265.
   Google Scholar
• Pissis P. Fabrication of a metal-free ceramic restoration utilizing the monobloc technique. Pract Periodontics Aesthet Dent. 1995;7(5):83–94.
   Google Scholar
• Sedrez-Porto JA, Rosa WL, da Silva AF, et al. Endocrown restorations: a systematic review and meta-analysis. J Dent. 2016;52:8–14.
   Google Scholar
• Rayyan MR, Alauti RY, Abanmy MA, et al. Endocrowns versus post-core retained crowns for restoration of compromised mandibular molars: an in vitro study. Int J Comput Dent. 2019;22(1):39–44.
   Google Scholar
• Al-Dabbagh, RA. Survival and success of endocrowns: a systematic review and meta-analysis. J Prosthet Dent. 2020 Mar 17, ahead of print.
   Google Scholar
• Altier M, Erol F, Yildirim G, et al. Fracture resistance and failure modes of lithium disilicate or composite endocrowns. Niger J Clin Pract. 2018;21(7):821–826.
   Google Scholar
• Taha D, Spintzyk S, Sabet A, et al. Assessment of marginal adaptation and fracture resistance of endocrown restorations utilizing different machinable blocks subjected to thermomechanical aging. J Esthet Restor Dent. 2018;30(4):319–328.
   Google Scholar
• Gresnigt MM, Ozcan M, van den Houten ML, et al. Fracture strength, failure type and Weibull characteristics of lithium disilicate and multiphase resin composite endocrowns under axial and lateral forces. Dent Mater. 2016;32(5):607–614.
   Google Scholar
• de Kuijper M, Cune MS, Tromp Y, et al. Cyclic loading and load to failure of lithium disilicate endocrowns: Influence of the restoration extension in the pulp chamber and the enamel outline. J Mech Behav Biomed Mater. 2020;105.
   Google Scholar
• Zhu J, Wang D, Rong Q, et al. Effect of central retainer shape and abduction angle during preparation of teeth on dentin and cement layer stress distributions in endocrown-restored mandibular molars. Dent Mater J. 2020;21.
   Google Scholar
• Dartora NR, de Conto Ferreira MB, Moris ICM, Brazao EH, et al. Effect of intracoronal depth of teeth restored with endocrowns on fracture resistance: in vitro and 3-dimensional finite element analysis. J Endod. 2018;44(7):1179–1185.
   Google Scholar
• Tribst JPM, Dal Piva AMO, Madruga CFL, et al. Endocrown restorations: Influence of dental remnant and restorative material on stress distribution. Dent Mater. 2018;34(10):1466–1473.
   Google Scholar
• Einhorn M, DuVall N, Wajdowicz M, et al. Preparation ferrule design effect on endocrown failure resistance. J Prosthodont. 2019;28(1):237–242.
   Google Scholar
• Hayes A, Duvall N, Wajdowicz M, et al. Effect of endocrown pulp chamber extension depth on molar fracture resistance. Oper Dent. 2017;42(3):327–334.
   Google Scholar
• Kim JH, Oh S, Uhm SH. Effect of the crystallization process on the marginal and internal gaps of lithium disilicate CAD/CAM crowns. Biomed Res Int. 2016;31:1–6.
   Google Scholar
• Lien W, Roberts HW, Platt JA, et al. Microstructural evolution and physical behavior of a lithium disilicate glass-ceramic. Dent Mater. 2015;31(8):928–940.
   Google Scholar
• Taha D, Spintzyk S, Schille C, et al. Fracture resistance and failure modes of polymer infiltrated ceramic endocrown restorations with variations in margin design and occlusal thickness. J Prosthodont Res. 2018;62(3):293–297.
   Google Scholar
• Bindl A, Richter B, Mormann WH. Survival of ceramic computer-aided design/manufacturing crowns bonded to preparations with reduced macroretention geometry. Int J Prosthodont. 2005;18(3):219–224.
   Google Scholar
• Scherrer SS, Lohbauer U, Della Bona A, et al. ADM guidance-ceramics: guidance to the use of fractography in failure analysis of brittle materials. Dent Mater. 2017;33(6):599–620.
   Google Scholar
• Monteiro JB, Dal Piva AMO, Tribst JPM, et al. The effect of resection angle on stress distribution after root-end surgery. Iran Endod J. 2018;13(2):188–194.
   Google Scholar
• Ausiello P, Ciaramella S, Martorelli M, et al. Mechanical behavior of endodontically restored canine teeth: effects of ferrule, post material and shape. Dent Mater. 2017;33(12):1466–1472.
   Google Scholar
• Schmidlin PR, Stawarczyk B, DeAbreu D, et al. Fracture resistance of endodontically treated teeth without ferrule using a novel H-shaped short post. Quintessence Int. 2015;46(2):97–108.
   Google Scholar
• Varga S, Spalj S, Lapter Varga M, et al. Maximum voluntary molar bite force in subjects with normal occlusion. Eur J Orthod. 2011;33(4):427–433.
   Google Scholar
• Kanat-Erturk B, Saridag S, Koseler E, et al. Fracture strengths of endocrown restorations fabricated with different preparation depths and CAD/CAM materials. Dent Mater J. 2018;37(2):256–265.
   Google Scholar
• Magne P, Schlichting LH, Maia HP, et al. In vitro fatigue resistance of CAD/CAM composite resin and ceramic posterior occlusal veneers. J Prosthet Dent. 2010;104(3):149–157.
   Google Scholar
• da Fonseca GF, Dal Piva AM, Tribst JP, et al. Influence of restoration height and masticatory load orientation on ceramic endocrowns. J Contemp Dent Pract. 2018;19(9):1052–1057.
   Google Scholar